Current Time in GMT + 4 Zone
About GMT+4
GMT+4 is four hours ahead of Greenwich Mean Time. It is used by several countries in and around the Arabian Peninsula, such as the UAE (Dubai), Oman, and Mauritius, as well as by Armenia and Georgia. None of these regions currently observe Daylight Saving Time.
UTC Offset: GMT+4
What is GMT+4?
GMT+4 means Greenwich Mean Time 4 hours ahead of the Greenwich meridian, the historical reference line running through the Royal Observatory in London. GMT offsets are the everyday way many countries, broadcasters, and travel timetables describe their local time relative to the UK.
Note that some of the countries listed below sit on GMT+4 for only part of the year: when daylight saving time starts or ends they move one hour, so always check the live local times shown on this page or on each country's own page.
GMT+4 vs UTC+4
For everyday purposes GMT+4 and UTC+4 are the same wall-clock time. GMT is the traditional name based on mean solar time at Greenwich, while UTC is the modern atomic-time standard used by computers and aviation. If you are setting a meeting or catching a flight, either works; if you are configuring a server, use UTC+4.
Time & Daylight in GMT+4
Time Difference Between GMT+4 and Major Cities
Live local time and the difference from GMT+4 right now.
Current time shown is based on the representative IANA zone: Asia/Baku
GMT+4: The Fixed Offset from the Caucasus to the Indian Ocean
GMT+4 is a fixed UTC offset of four hours ahead of Coordinated Universal Time. Unlike named time zones, which may include daylight saving time rules, a fixed offset like GMT+4 represents a constant time difference from UTC. On a clock, UTC and GMT read identically, so GMT+4 is the same as UTC+4. This offset is used year-round by several countries and territories spanning Eastern Europe, the Caucasus, the Arabian Peninsula, and islands in the Indian Ocean.
What a Fixed UTC Offset Means vs. a Named Time Zone
A fixed UTC offset, such as GMT+4, is a simple number: the local time is always exactly four hours ahead of UTC. In contrast, a named time zone (e.g., Gulf Standard Time or Mauritius Time) may include rules for daylight saving time (DST), shifting the offset seasonally. When a region observes DST, it moves on and off a fixed offset like GMT+4. For example, parts of Russia in the Europe/Astrakhan, Europe/Samara, Europe/Saratov, and Europe/Ulyanovsk zones use GMT+4 year-round without DST. However, other regions that normally use GMT+4 may switch to a different offset during their summer months. Therefore, the list of countries and regions on GMT+4 is not static; it changes with DST transitions.
Countries and Regions Currently on GMT+4
- Armenia (Asia/Yerevan) – Year-round GMT+4, no DST.
- Azerbaijan (Asia/Baku) – Year-round GMT+4, no DST.
- Georgia (Asia/Tbilisi) – Year-round GMT+4, no DST.
- Mauritius (Indian/Mauritius) – Year-round GMT+4, no DST.
- Oman (Asia/Muscat) – Year-round GMT+4, no DST.
- Russia – Several European regions: Astrakhan, Samara, Saratov, and Ulyanovsk (zones: Europe/Astrakhan, Europe/Samara, Europe/Saratov, Europe/Ulyanovsk). All use GMT+4 year-round.
- Réunion (Indian/Reunion) – French overseas department, year-round GMT+4, no DST.
- Seychelles (Indian/Mahe) – Year-round GMT+4, no DST.
- United Arab Emirates (Asia/Dubai) – Year-round GMT+4, no DST.
Representative Cities
- Baku (Azerbaijan) – Capital on the Caspian Sea.
- Dubai (United Arab Emirates) – Major global hub.
- Muscat (Oman) – Capital on the Arabian Sea.
- Tbilisi (Georgia) – Capital in the Caucasus.
- Yerevan (Armenia) – Capital at the foot of Mount Ararat.
- Astrakhan (Russia) – City in the Volga Delta.
- Samara (Russia) – Major city on the Volga River.
- Saratov (Russia) – City on the Volga.
- Ulyanovsk (Russia) – City on the Volga, birthplace of Lenin.
- Mahe (Seychelles) – Main island and capital Victoria.
- Mauritius (island nation) – Capital Port Louis.
- Réunion (French overseas department) – Capital Saint-Denis.
Practical Scheduling Notes
GMT+4 is a convenient offset for coordinating between the Middle East, the Caucasus, and Indian Ocean islands. It is 1 hour ahead of GMT+3 (Moscow time in winter, East Africa time) and 1 hour behind GMT+5 (Pakistan, Maldives). When scheduling calls or meetings, note that most regions on GMT+4 do not observe DST, so the offset remains constant year-round. This simplifies planning with partners in the UAE, Oman, or Mauritius. However, if you are dealing with a region that uses DST (e.g., some European countries that switch to GMT+4 in summer), always check the current offset. The military designation for GMT+4 is Delta (D), and in aviation, it is referred to as Delta time.
Military and Zulu Lettering
In military and aviation timekeeping, time zones are assigned letters. Zulu (Z) corresponds to UTC. The offset GMT+4 is designated as Delta (D). So, 12:00 Zulu is 16:00 Delta. This is used for flight schedules, military operations, and global communications to avoid confusion.
Frequently Asked Questions
What countries are always on GMT+4?
Countries that use GMT+4 year-round without daylight saving time include Armenia, Azerbaijan, Georgia, Mauritius, Oman, Russia (regions of Astrakhan, Samara, Saratov, Ulyanovsk), Réunion, Seychelles, and the United Arab Emirates.
Does GMT+4 observe daylight saving time?
No, most regions on GMT+4 do not observe DST. However, some countries may move on and off this offset seasonally if they use DST. For example, parts of Russia previously used DST but now stay on GMT+4 year-round.
What is the time difference between GMT+4 and GMT+3?
GMT+4 is one hour ahead of GMT+3. For example, if it is 12:00 in GMT+3, it is 13:00 in GMT+4.
What major cities are in GMT+4?
Major cities include Dubai (UAE), Muscat (Oman), Baku (Azerbaijan), Tbilisi (Georgia), Yerevan (Armenia), Samara (Russia), and Port Louis (Mauritius).
Is GMT+4 the same as UTC+4?
Yes, GMT and UTC are functionally the same for timekeeping purposes. GMT+4 and UTC+4 both mean the local time is four hours ahead of the global standard.
What is the military letter for GMT+4?
The military letter for GMT+4 is Delta (D). In aviation and military contexts, this time zone is referred to as Delta time.